[1] Chen L, Luo J B, Tang Z J et al. Integration System of Photon-assisted W-band Millimeter Wave Wireless Communication and Free Space Optical Communication based on OFDM Signal Transmission[J]. Optical Fiber Technology, 52, 101973(2019).
[2] Li X Y, Xiao J N, Yu J J. Long-distance Wireless mm-wave Signal Delivery at W-band[J]. Journal of Lightwave Technology, 34, 661-668(2016).
[3] Xu Y M, Zhang Z R, Li X Y et al. Demonstration of 60 Gbit/s W-band Optical mm-wave Signal Full-duplex Transmission over Fiber-wireless-fiber Network[J]. IEEE Communications Letters, 18, 2105-2108(2014).
[4] Liu C W, Wang C, Zhou W et al. 81-GHz W-band 60-Gbps 64-QAM Wireless Transmission based on a Dual-GRU Equalizer[J]. Optics Express, 30, 2364-2377(2022).
[5] Dat P T, Rottenberg F, Kanno A et al. 3× 3 MIMO Fiber–wireless System in W-Band with WDM/PDM RoF Transmission Capability[J]. Journal of Lightwave Technology, 39, 7794-7803(2021).
[6] Sun C K, Orazi R J, Pappert S A. Efficient Microwave Frequency Conversion Using Photonic Link Signal Mixing[J]. IEEE Photonics Technology Letters, 8, 154-156(1996).
[7] Ho K P, Liaw S K, Lin C L. Frequency Doubling Photonic Mixer with Low Conversion Loss[C], 719960(1997).
[8] Chan E H W, Minasian R A. Microwave Photonic Downconverter with High Conversion Efficiency[J]. Journal of Lightwave Technology, 30, 3580-3585(2012).
[9] Tao L, Li R J, Xi X J. Investigation on Conversion Efficiency of Microwave Photonic Down-conversion without RF Oscillator[C], 9456746(2020).
[10] Lu Q C, Tao L, Wang S W et al. 75 GHz Millimeter-wave Radio-over-fiber Transmission of 10 Gbit/s over 50 km Equivalent Wireless Distance[C], 9694744(2021).